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So am I reading this correctly??? There is NO more Transmission tune available? I just looked on their website and it still shows as an option to purchase for $250
 

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I would have to believe when they decide what they are going to continue doing, a transmission tune would be available. That doesn’t violate any EPA laws.

While I believe they could continue tuning in ways that would not defeat emissions, I think the hard part could be proving their tunes don't hinder emissions.

Frankly, under the current federal administration, I am really surprised the EPA took this step. I assumed a day would come for a crack down, but I figured we were at least a couple years away. Additionally, compared to all the diesel vehicles on the road, tuned vehicles are such an incredibly small percentage, you would think they would put their efforts toward bigger polluters. It’s kind of like the IRS going after waiters that dont claim their tips when the folks making multi-millions get no attention. Not much bang for the federal buck going after tuners and waiters... By the way, I was a bartender back in the early 90s when the IRS went hard and heavy after waiters. I claimed my tips, my girlfriend only claimed a small percentage. She got audited, fined, and put on a repayment plan. She was one of several I knew that year.
 

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If you have a link I’ll buy one right now. I don’t see how you can select one without also ordering a full tune, which is “sold out”. I tried adding the whole thing to my cart, but there is no cart.
 

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Okay so they did send me the tune file and I was able to get it installed without too much trouble. The truck is awesome, getting rid of the second and a half throttle delay alone was worth the price. When you press the pedal to the floor, it feels pretty much like the gas version (I drove a rented Z71 Colorado for three weeks on a recent business trip) I asked if I could also buy the transmission tune and they told me that “that ship had sailed”. Well, I’m glad I just got in under the wire.
Really, they won't sell a trans tune? That seems overkill. I bet you give it a few weeks or month and check back with them, they will have figured out this whole EPA thing and probably sell you one. I mean, a trans tune has NOTHING to do with emissions, so....
 

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I would have to believe when they decide what they are going to continue doing, a transmission tune would be available. That doesn’t violate any EPA laws.

While I believe they could continue tuning in ways that would not defeat emissions, I think the hard part could be proving their tunes don't hinder emissions.

Frankly, under the current federal administration, I am really surprised the EPA took this step. I assumed a day would come for a crack down, but I figured we were at least a couple years away. Additionally, compared to all the diesel vehicles on the road, tuned vehicles are such an incredibly small percentage, you would think they would put their efforts toward bigger polluters. It’s kind of like the IRS going after waiters that dont claim their tips when the folks making multi-millions get no attention. Not much bang for the federal buck going after tuners and waiters... By the way, I was a bartender back in the early 90s when the IRS went hard and heavy after waiters. I claimed my tips, my girlfriend only claimed a small percentage. She got audited, fined, and put on a repayment plan. She was one of several I knew that year.
That sounds exactly like something the government would do, wasting money chasing the small fish when you could catch one big one and go home for the day. Typical :rolleyes:
 

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Copied from another forum, a quote from GDE:

“EFI Live came out with an update on Friday that requires a tool update. We will be sending out a mass email with directions for the EFI update. After that is complete, then email us stating you are ready for new tune.

We had made tunes for a few customers a couple weeks ago before the EFI update. One customer updated the EFI over weekend, then flashed in a tuned file create before the update and this bricked the ecm. We need to ensure the tunes and tool software version align to prevent issues.”

I never got the mass email from GDE.

I bought my tune quite some time ago and didn’t install it. I have the EFI Live software, not update since then. Also, I got the 03 update but not the 03a update. I would hope, as long as I dont update the software that I will someday be able to install the tune.

Does that sound correct, just use the non-updated EFI Live software with my tune?
 

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Hi all,

Just got my 2017 Colorado diesel. Although I still have one year of warranty since it's certified used, I'm doing research regarding tunes. I read this thread for GDE as well as others for DuramaxTuners. Is GDE not selling tunes for our truck? I went to their site and it still says "Sold Out". Anyone know if this is because of the EPA cracking down on deletes or the EFI live thing? Guess I can email GDE, I'll post any info I get.

Naturally I'd like to have a tune that gives me the most safe power but not break anything when towing. I don't tow cross country or long trips like lots on this forum but I do tow a 6K race trailer about 60 miles to the track. Mostly flat at 65-70MPH. Hills in NJ are like sea level to 800ft and like 3-4% grades. I'd love to have a single tune to do it all. I had been contemplating getting the DuramaxTuners tow+ trans tune and just running it like that. But if I could get a little more with the GDE and still be safe maybe that's a better option.
 

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As others have mentioned, their customer support is very quick and responsive. Sent them an email after the above post and got the below in about 15 minutes.

We were shut down by the EPA 6 months ago. See below:

We are not able to reflash/install our tune at this time due to changes in EPA rules. Best to contact your state representative and ask them to reign in the EPA if you ever want the GDE tune. The EPA is using statute CAA 42 USC 7522 (a)(3) (A-B) to go after the after-market auto industry. We feel this rule should only cover large auto manufacturers, not older vehicles in the field.

There is an act in Congress called the RPM Act that is on the table. Please refer to below if you contact your representatives and ask them to move quickly on this bill:

Text - S.2602 - 116th Congress (2019-2020): RPM Act of 2019

Sorry for the issues. If your vehicle is registered in a different country, let us know as rules are different outside the US. We hope to have CARB/EPA certified tunes for engine and trans within 3-4 months.
 

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As others have mentioned, their customer support is very quick and responsive. Sent them an email after the above post and got the below in about 15 minutes.

We were shut down by the EPA 6 months ago. See below:

We are not able to reflash/install our tune at this time due to changes in EPA rules. Best to contact your state representative and ask them to reign in the EPA if you ever want the GDE tune. The EPA is using statute CAA 42 USC 7522 (a)(3) (A-B) to go after the after-market auto industry. We feel this rule should only cover large auto manufacturers, not older vehicles in the field.

There is an act in Congress called the RPM Act that is on the table. Please refer to below if you contact your representatives and ask them to move quickly on this bill:

Text - S.2602 - 116th Congress (2019-2020): RPM Act of 2019

Sorry for the issues. If your vehicle is registered in a different country, let us know as rules are different outside the US. We hope to have CARB/EPA certified tunes for engine and trans within 3-4 months.
They won’t sell to U.S. Customers as GDE, but are selling through a Canadian company, HD Diesel Supply. I’m sure they’ll deny it, but I would wager on it. Their tune description is word-for-word what the GDE tune is. They may sell to you, or they may tell you that you need to be a Canadian customer.

I rarely tow, but it’s nice having the multiple level tunes. My truck stays on the Sport Economy which is the 2nd most powerful and most fuel efficient. I don’t put it on the Race tune just because and the Optimized Factory isn’t really that fun, but the tow tune does come in handy when I need it. I don’t like GDE personally, but I won’t voice my opinion: I just don’t believe that an all-in-one tune is effective or safe when towing. I have other dislikes of them but it’s whatever.

Duramax Tuner is. Good emissions intact tune. American Diesel Power has a pretty good intact tune as well. MotorOps is the only Canadian company that I know for sure will sell to U.S. customers with a delete tune, if that’s what you’re looking for.
 
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